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6e40b3bfc7
Each call of the virtio_blk_reset() function calls blk_drain_all(), which works for all existing BlockDriverStates, while draining only one is needed. This patch replaces blk_drain_all() by blk_drain() in virtio_blk_reset(). virtio_blk_data_plane_stop() should be called after draining because it restores vblk->complete_request. Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Kevin Wolf <kwolf@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Message-id: 1434537440-28236-3-git-send-email-yarygin@linux.vnet.ibm.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>